The shapes of utricle, saccule and crista ampullaris tended to mature at E15, and the shapes of supporting and hair cells also tended to mature.The vestibular organ was mature at P0.

 
  • 到胚胎第15天,橢圓囊、球囊、壺腹峪初具成熟形態(tài),毛細胞和支持細胞也初具雛形,到出生時(shí),前庭器官已基本發(fā)育成熟。
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